The Pro Clear Aquatic Systems RedFlex Auto Top Off feature two holes in the top. One for your pumps power cord and the other for your tubing to your sump. Reservoir tanks allow you to maintain the proper level in the sump in case of evaporation. Each ATO features a removable lid for easy access and clear sides so that the water level is always in plain view.
2 holes in the top: 1 for your pumps power cord & 1 for your tubing to your sump
Allows you to maintain the proper level in the sump in case of evaporation
Removable lid for easy access
Clear sides so that the water level is always in plain view